Check out this cool and free middle school science fair project idea on how to make a solar oven.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

This science fair project idea raises awareness of a real ecological issue.

This science fair project teaches students about wilting and browning of salad greens.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Science fair project that determines how we can change potential energy into kinetic energy.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea identifies and understands adaptations in birds.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.